# Dotnet Backend Patterns > Master C#/.NET patterns for building production-grade APIs, MCP servers, and enterprise backends with modern best practices (2024/2025). Use when this capability is needed. - Skill: `tomevault-io/dotnet-backend-patterns-4` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/dotnet-backend-patterns-4` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/dotnet-backend-patterns-4/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: AI & ML - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/dotnet-backend-patterns-4 --- # .NET Backend Development Patterns Master C#/.NET patterns for building production-grade APIs, MCP servers, and enterprise backends with modern best practices (2024/2025). ## Use this skill when - Developing new .NET Web APIs or MCP servers - Reviewing C# code for quality and performance - Designing service architectures with dependency injection - Implementing caching strategies with Redis - Writing unit and integration tests - Optimizing database access with EF Core or Dapper - Configuring applications with IOptions pattern - Handling errors and implementing resilience patterns ## Do not use this skill when - The project is not using .NET or C# - You only need frontend or client guidance - The task is unrelated to backend architecture ## Instructions - Define architecture boundaries, modules, and layering. - Apply DI, async patterns, and resilience strategies. - Validate data access performance and caching. - Add tests and observability for critical flows. - If detailed patterns are required, open `resources/implementation-playbook.md`. ## Resources - `resources/implementation-playbook.md` for detailed .NET patterns and examples. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/sickn33) — claim your Tome and manage your conversions.